Periodic Trends Review

1.

Multiple Choice

30 sec

1 pt

Elements Z and X are compared. Element Z is larger than Element X. Based on this you could say:

Element Z is further to the left side of the periodic table

Element X is closer to the top of the periodic table

Element Z and X are probably in the same group

A and/or B

2.

Multiple Choice

30 sec

1 pt

Atomic radius generally increases as we move __________.

down a group and from right to left across a period

up a group and from left to right across a period

down a group and from left to right across a period

up a group and from right to left across a period

3.

Multiple Choice

30 sec

1 pt

The atomic radius of main-group elements generally increases down a group because ________.

effective nuclear charge increases down a group

effective nuclear charge decreases down a group

effective nuclear charge zigzags down a group

the principal quantum number of the valence orbitals increases

4.

Multiple Choice

30 sec

1 pt

Which one of the following atoms has the largest radius?

O

F

S

Cl

5.

Multiple Choice

30 sec

1 pt

Which one of the following atoms has the largest radius?

Sr

Ca

K

Rb

6.

Multiple Choice

30 sec

1 pt

Which one of the following has the smallest radius?

Na

Cl

P

Br

7.

Multiple Choice

30 sec

1 pt

Which one of the following atoms has the largest radius?

I

Co

Ba

Sr

8.

Multiple Choice

30 sec

1 pt

Which one of the following elements has the largest atomic radius?

Se

As

S

Sb

9.

Multiple Choice

30 sec

1 pt

Which one of the following elements has the largest atomic radius?

O

F

Al

P

10.

Multiple Choice

30 sec

1 pt

Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?

F < K < Ge < Br < Rb

F < Ge < Br < K < Rb

F < K < Br < Ge < Rb

F < Br < Ge < K < Rb

11.

Multiple Choice

30 sec

1 pt

Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?

O < F < S < Mg < Ba

F < O < S < Mg < Ba

F < O < S < Ba < Mg

O < F < S < Ba < Mg

12.

Multiple Choice

30 sec

1 pt

Chlorine is much more apt to exist as an negative ion than is sodium. This is because __________.

chlorine is bigger than sodium

chlorine has a greater ionization energy than sodium does

chlorine has a greater electronegativity than sodium does

chlorine is a gas and sodium is a solid

13.

Multiple Choice

30 sec

1 pt

Sodium is much more apt to exist as a positive ion than is chlorine. This is because __________.

chlorine is a gas and sodium is a solid

chlorine has a greater electron affinity than sodium does

chlorine is bigger than sodium

chlorine has a greater ionization energy than sodium does

14.

Multiple Choice

30 sec

1 pt

The ability of an atom in a molecule to attract electrons is best quantified by the __________.

paramagnetism

diamagnetism

electronegativity

first ionization potential

15.

Multiple Choice

30 sec

1 pt

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

decreases, increases

increases, increases

increases, decreases

stays the same, increases

16.

Multiple Choice

30 sec

1 pt

Of the atoms below, __________ is the most electronegative.

Br

O

Cl

F

17.

Multiple Choice

30 sec

1 pt

Of the atoms below, __________ is the most electronegative.

Si

Cl

Rb

Ca

18.

Multiple Choice

30 sec

1 pt

Of the atoms below, __________ is the least electronegative.

Rb

F

Si

Cl

19.

Multiple Choice

30 sec

1 pt

Which of the elements below has the largest electronegativity?

Si

Mg

P

S

20.

Multiple Choice

30 sec

1 pt

In general, as you go across a period in the periodic table from left to right: (1) the atomic radius __________; (2) the electronegativity __________; and (3) the first ionization energy __________.

decreases, decreases, increases

increases, increases, decreases

increases, increases, increases

decreases, increases, increases

21.

Multiple Choice

30 sec

1 pt

The first ionization energies of the elements __________ as you go from left to right across a period of the periodic table, and __________ as you go from the bottom to the top of a group in the table.

increase, increase

increase, decrease

decrease, increase

decrease, decrease

22.

Multiple Choice

30 sec

1 pt

Of the choices below, which gives the order for first ionization energies?

Cl > S > Al > Ar > Si

Ar > Cl > S > Si > Al

Al > Si > S > Cl > Ar

Cl > S > Al > Si > Ar

23.

Multiple Choice

30 sec

1 pt

Of the following atoms, which has the largest first ionization energy?

Br

O

C

P

24.

Multiple Choice

30 sec

1 pt

Of the following elements, which has the largest first ionization energy?

Na

Al

Se

Cl

25.

Multiple Choice

30 sec

1 pt

Of the following elements, which has the largest first ionization energy?

K

Rb

Sr

Ca

26.

Multiple Choice

30 sec

1 pt

Of the following elements, which has the largest first ionization energy?

Se

As

S

Sb

27.

Multiple Choice

30 sec

1 pt

Of the following elements, which has the largest first ionization energy?

B

N

P

Si

28.

Multiple Choice

30 sec

1 pt

Of the elements below, __________ has the largest first ionization energy.

Li

K

Na

H

29.

Multiple Choice

30 sec

1 pt

__________ have the lowest first ionization energies of the groups listed.

Alkali metals

Transition metals

Halogens

Alkaline Earth metals

30.

Multiple Choice

30 sec

1 pt

Of the elements below, __________ is the most metallic.

Na

Mg

Al

K

31.

Multiple Choice

30 sec

1 pt

The list that correctly indicates the order of metallic character is __________.

B > N > C

F > Cl > S

Si > P > S

P > S > Se

32.

Multiple Choice

30 sec

1 pt

Between which two elements is the difference in metallic character the greatest?

Rb and O

O and I

Rb and I

Li and O

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